angles background deciduous delonix regia fan-like feathery leaves flamboyant tree foliage green greenery leaves light lines pale green radiatingn royal poinciana summer textures tree beautiful brilliant colorful colourful delonix-regia extensive-flowering feathery-leaves flamboyant flamboyant-tree flora flower flowering-flamboyant-tree mass-of-blooms pale-green petals radiating red royal-poinciana arch fan icon mysticism perfect pictogram propeller sign symbol symmetry